Te Whakahaere Pūmau i te Tawāhi
I te wa e pā ana ki te whakawhiti raraunga tawhiti, ko ngā taura optika te kōwhiringa tuatahi, ā, ko ngā taura pigtail i hangaia motuhake mō te tiaki i te whakahiato mīhini, e pupuri ana i ngā tohu i runga i ngā rārangi roa. Ka kawe ngā taura pigtail optika i ā rātou ake laser; me huri noa rātou i te pātū ki waenganui i ngā whatunga optika e rua e noho ana, ā, ka taea te mahi hei piriti i waenganui i ngā whatunga e rua, i ngā whakahaere e rua. Ka taea e ngā pigtail optika te whakawhiti raraunga mō te tekau kiromita, tae noa ki te mano, me te kore e ngaro te kounga, he mea kāore e taea e ngā taura kopa i ngā tawhiti roa i te wā e tino heke ana ngā tohu. Nā tēnei āhuatanga, kāore e pau te pūtea i te whakawhānui i ngā whatunga i runga i te whenua, engari kāore hoki e noho hei utu mō ngā pūkaha tohu me ngā whakahou taura i ia marama.